?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Losing+the+error+related+negativity+(ERN)%3A+an+indicator+for+willed+action&rft.creator=Stemmer%2C+Brigitte&rft.creator=Witzke%2C+Wolfgang&rft.creator=Schoenle%2C+Paul+Walter&rft.subject=Cognitive+Psychology&rft.subject=Neurophysiology&rft.subject=Neuropsychology&rft.description=When+people+make+errors+in+a+discrimination+task%2C+a+negative-going+waveform+can+be+observed+in+scalp-recorded+EEG+that+has+been+coined+the+error-related+negativity+(ERN).+We+hypothesized+that+the+ERN+only+occurs+with+slips%2C+that+is+unwilled+action+errors%2C+but+not+if+an+error+is+committed+willingly+and+intentionally.+We+investigated+the+occurrence+of+the+ERN+in+a+choice+reaction+time+task+that+has+been+shown+to+produce+an+ERN+and+in+an+error+simulation+task+where+subjects+had+to+fake+errors+while+the+EEG+was+recorded.+We+observed+a+loss+of+the+ERN+when+errors+were+committed+in+willed+actions+but+not+in+unwilled+actions+thus+supporting+the+idea+that+the+production+of+the+ERN+is+tied+to+slips+in+unwilled+actions+but+not+mistakes+in+willed+actions.+&rft.date=2001&rft.type=Preprint&rft.type=NonPeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F1536%2F3%2Fstemmer_280501.pdf&rft.identifier=++Stemmer%2C+Brigitte+and+Witzke%2C+Wolfgang+and+Schoenle%2C+Paul+Walter++(2001)+Losing+the+error+related+negativity+(ERN)%3A+an+indicator+for+willed+action.++%5BPreprint%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F1536%2F